99% Al2O3 Wear Resistant Corrosion Resistant Aluminum Oxide Ceramic with Electrical Insulation

Price Negotiable

Price: 200-500 yuan/kg

MOQ: Negotiable

Delivery Time: Negotiable

Brand: KEGU

Product Description

99% Al2O3 Dense Aluminum Oxide Ceramic | 3.6 g/cm³ | Wear & Corrosion Resistant

High-performance 99% Al2O3 dense alumina ceramic with 3.6 g/cm³ density. Excellent wear resistance, corrosion resistance & electrical insulation. Ideal for seals, bearings, valves & industrial linings. Custom parts available.

99% Al2O3 Dense Aluminum Oxide Ceramic (3.6 g/cm³ Density)

As a premier advanced ceramic material, our 99% Alumina (Al2O3) ceramic is engineered for demanding applications requiring exceptional wear resistance, high-temperature stability, and excellent electrical insulation. With a density of ≥3.6 g/cm³ and near-zero porosity, it delivers superior mechanical strength and durability in harsh environments.

Key Material Properties & Advantages

Exceptional Hardness & Wear Resistance: Significantly outperforms metals and most other ceramics in abrasive environments, extending component service life.
High Corrosion Resistance: Inert to most chemicals and solvents, ideal for pumps, seals, and components in the chemical processing industry.
Excellent Electrical Insulation: Maintains high electrical resistivity even at elevated temperatures, suitable for substrates and insulating components.
Good Thermal Stability: Can operate continuously at high temperatures while maintaining its structural integrity.
High Mechanical Strength: Offers high flexural and compressive strength for mechanically loaded components.

Technical Data & Comparative Properties

1. 99% Alumina (ALOX-AP Grade) Specifications

Property	Value (ALOX-AP)
Al₂O₃ Content	94 - 96 %
Density	3.6 - 3.7 g/cm³
Flexural Strength	300 - 330 MPa
Hardness	12 - 13 GPa
Thermal Conductivity (20-100 °C)	20 - 25 W/m*K
Max. Operating Temperature (Air)	1500 °C

2. Comparative Material Properties (99% Al2O3 vs. Other Advanced Ceramics)

Property	99% Al2O3	S-SiC	ZrO2	Si3N4
Density (g/cm³)	3.9	3.1	6.0	3.2
Hardness (HV)	1700	2200	1300	1400
Flexural Strength (MPa)	~350	~400	~900	~700
*Thermal Conductivity (W/m K)**	31	100	3	25
Max. Use Temp. (°C)	1500	1600	1300	1400

Note: The ALOX-HP grade (99.7% Al2O3) offers even higher density (3.8-3.9 g/cm³) and flexural strength (350-400 MPa) for the most demanding applications.

Primary Industrial Applications

Our dense alumina ceramics are critical components across numerous industries:

Mechanical Components: Bearings, seal rings, valve plates, ball valves, and plungers for pumps and compressors.
Wear & Corrosion Protection: Pipeline linings, cyclone liners, nozzles, and tiles for cement plants and mining.
Industrial Furnaces & High-Temperature: Thermocouple protection tubes, burner nozzles, furnace furniture, and crucibles.
Electrical & Electronics: Substrates, insulating plates, and components for the electronics industry.
General Engineering: Grinding media, thread guides, dies, and custom-designed jigs and fixtures.

Why Choose Our Dense Alumina Ceramics?

Alumina ceramic's unique combination of properties--high hardness, excellent wear and corrosion resistance, electrical insulation, and cost-effectiveness--makes it an irreplaceable material for solving complex engineering challenges. We offer tailored solutions with custom shapes, sizes, and machining to meet your precise specifications.

Request a Custom Quote
Interested in using dense alumina ceramic for your application? Contact our engineering team today with your requirements for a consultation and a competitive quotation.